HP 50g User's Reference Manual
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Brand: HP
Category: Calculator
Type: Advanced user's reference manual
Model: HP 48gII , HP 49g+ , HP 50G
Pages: 693
3-162 Full Command and Function Reference
p
1
≡
p
1
≡
Access: !°
STACK OVER
( °is the left-shift of the Nkey).
Input/Output:
Level 2 Level 1 Level 3 Level 2 Level 1
obj
1
obj
2
→
obj
1
obj
2
obj
1
See also: PICK, ROLL, ROLLD, ROT, SWAP
P2C
Type: Command
Description: Takes a list representing a permutation as an argument, and returns the permutation decomposed
into lists that represent cycles.
Access: !Þ
PERM
Input: A list representing a permutation. For example, the list {3,1,2,5,4} defines a permutation
P
, such
that
P(1)=3, P(2)=1, P(3)=2, P(4)=5,
and
P(5)=4
Output: Level 2/Item 1:A list of cycles equivalent to the permutation. For example, the list {3,1,2,5,4}
defines a cycle
C
, such that
C(3)=1, C(1)=2,
C(2)=5,
C(5)=4,
and
C(4)=3
Level 1, Item 2: The signature of the permutation, 1 or –1.
Example: Convert the permutation given by {3,4,5,2,1} into cycles:
Command:
P2C({3,4,5,2,1})
Result:
{{{1,3,5},{2,4}},-1}
See also: C2P, CIRC
PA2B2
Type: Function
Description: Takes a prime number, p, such that p=2 or modulo 4, and returns a Gaussian integer a + ib
such that p = a
2
+ b
2
. This function is useful for factorizing Gaussian integers.
Access: Arithmetic, !Þ
INTEGER
L
Input: A prime number, p, such that p=2 or modulo 4
Output: A Gaussian integer a+ib such that p=a
2
+b
2
Flags: Exact mode must be set (flag –105 clear).
Numeric mode must not be set (flag –3 clear).
Complex mode must be set (flag –103 set).
See also: GAUSS
PARAMETRIC
Type: Command
Description: Parametric Plot Type Command: Sets the plot type to PARAMETRIC.
When the plot type is PARAMETRIC, the DRAW command plots the current equation as a
complex-valued function of one real variable. The current equation is specified in the reserved
variable EQ. The plotting parameters are specified in the reserved variable PPAR, which has the
following form:
{ (
x
min
, y
min
), (
x
max
, y
max
),
indep, res, axes, ptype, depend
}
For plot type PARAMETRIC, the elements of PPAR are used as follows:
•
(x
min
, y
min
) is a complex number specifying the lower left corner of PICT (the lower left corner
of the display range). The default value is (–6.5,–3.1) for the HP 48gII and (–6.5,–3.9) for the
HP 50g and 49g+.